All code, drawings, graphics, music, sounds, and fonts by Jason Rohrer, except for:
KISSDB server-side database by Adam Ierymenko.
The font used on the menu screens is Futura by Paul Renner.
FFT code by Takuya Ooura.
OGG Vorbis decoder by Sean Barrett.
Reverb impulse response data from EchoThief.
The SDL library provides cross-platform screen, sound, and user input.
MinGW was used to build the game for Windows.